| /******************************************************************************* |
| * Copyright (c) 2008 Matthew Hall and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Matthew Hall - initial API and implementation (bug 246103) |
| * Ovidio Mallo - bug 301774 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.tests.internal.databinding.beans; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| |
| import org.eclipse.core.databinding.beans.BeansObservables; |
| import org.eclipse.core.databinding.beans.PojoObservables; |
| import org.eclipse.core.databinding.observable.map.IObservableMap; |
| import org.eclipse.jface.databinding.conformance.util.CurrentRealm; |
| import org.eclipse.jface.databinding.conformance.util.MapChangeEventTracker; |
| import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class JavaBeanPropertyObservableMapTest extends |
| AbstractDefaultRealmTestCase { |
| public void testSetBeanProperty_CorrectForNullOldAndNewValues() { |
| // The java bean spec allows the old and new values in a |
| // PropertyChangeEvent to be null, which indicates that an unknown |
| // change occured. |
| |
| // This test ensures that JavaBeanObservableValue fires the correct |
| // value diff even if the bean implementor is lazy :-P |
| |
| Bean bean = new AnnoyingBean(); |
| bean.setMap(Collections.singletonMap("key", "old")); |
| |
| IObservableMap map = BeansObservables.observeMap( |
| new CurrentRealm(true), bean, "map"); |
| MapChangeEventTracker tracker = MapChangeEventTracker.observe(map); |
| |
| bean.setMap(Collections.singletonMap("key", "new")); |
| |
| assertEquals(1, tracker.count); |
| |
| assertEquals(Collections.EMPTY_SET, tracker.event.diff.getAddedKeys()); |
| assertEquals(Collections.singleton("key"), tracker.event.diff |
| .getChangedKeys()); |
| assertEquals(Collections.EMPTY_SET, tracker.event.diff.getRemovedKeys()); |
| |
| assertEquals("old", tracker.event.diff.getOldValue("key")); |
| assertEquals("new", tracker.event.diff.getNewValue("key")); |
| } |
| |
| /** |
| * Makes sure that the map set on the Bean model after changing the |
| * observable map is modifiable (see bugs 285307 and 301774). |
| */ |
| public void testUpdatedBeanMapIsModifiable() { |
| Bean bean = new Bean(new ArrayList()); |
| IObservableMap observable = BeansObservables.observeMap(bean, "map"); |
| |
| observable.put(new Object(), new Object()); |
| bean.getMap().clear(); |
| } |
| |
| /** |
| * Makes sure that the map set on the Pojo model after changing the |
| * observable map is modifiable (see bugs 285307 and 301774). |
| */ |
| public void testUpdatedPojoMapIsModifiable() { |
| Bean bean = new Bean(new ArrayList()); |
| IObservableMap observable = PojoObservables.observeMap(bean, "map"); |
| |
| observable.put(new Object(), new Object()); |
| bean.getMap().clear(); |
| } |
| } |